Exam 10: Cycles and Patterns in the Biosphere

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Compared to the spheres, which of the following has "the hardest boundaries to pin down"?

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Which of the following does NOT describe the Linnaean biological taxonomy?

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The Brazilian people have found that deforesting the rainforest has led to the increase of excellent farmland.

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Fires always endanger a tree's ability to survive.

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Which of the following does NOT belong with the others?

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The main source of free nitrogen is action by soil microorganisms and plant roots on air spaces in the soil.

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Water is necessary for plants to survive. If water is not present at a location, it becomes a ________ for the survival of a plant.

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Net primary productivity is measured in ________ per year.

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The biotic nutrients are finite and limited in quantity.

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Most of the carbon near Earth's surface is held in ________.

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Which of the following is another term for a tropical rainforest?

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Which cycle has been significantly altered by humans?

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Earth has ________ species of animals compared to the number of plant species.

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What is true of the 1988 Yellowstone fires?

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Plant decomposition releases ________ into the atmosphere.

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In studying environmental relationships, which of the following is true?

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Most atmospheric oxygen is a result of light decomposing water during the process of ________.

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It has been calculated that about 0.1 percent of solar radiation is fixed in the biosphere by photosynthesis.

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In relation to wildfire, the California redwood and the southern yellow pine are ________.

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The cases of cattle egrets and coconut palms illustrate the influence of ________ on distributions of plants and animals.

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